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static void config_port_handler(union control *ctrl, void *dlg,
void *data, int event)
{
Config *cfg = (Config *)data;
char buf[80];
/*
* This function works just like the standard edit box handler,
* This function works similarly to the standard edit box handler,
* only it has to choose the control's label and text from two
* different places depending on the protocol.
*/
if (event == EVENT_REFRESH) {
if (cfg->protocol == PROT_SERIAL) {
/*
* This label text is carefully chosen to contain a p,
* since that's the shortcut for the port control.
*/
dlg_label_change(ctrl, dlg, "Speed");
sprintf(buf, "%d", cfg->serspeed);
} else {
dlg_label_change(ctrl, dlg, PORT_BOX_TITLE);
if (cfg->port != 0)
sprintf(buf, "%d", cfg->port);
sprintf(buf, "%d", cfg->port);
else
/* Display an (invalid) port of 0 as blank */
buf[0] = '\0';
}
dlg_editbox_set(ctrl, dlg, buf);
} else if (event == EVENT_VALCHANGE) {
dlg_editbox_get(ctrl, dlg, buf, lenof(buf));
if (cfg->protocol == PROT_SERIAL)
cfg->serspeed = atoi(buf);
else
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assert(button >= 0 && button < ctrl->radio.nbuttons);
cfg->protocol = ctrl->radio.buttondata[button].i;
if (oldproto != cfg->protocol) {
Backend *ob = backend_from_proto(oldproto);
Backend *nb = backend_from_proto(cfg->protocol);
assert(ob);
assert(nb);
/* Iff the user hasn't changed the port from the protocol
* default (if any), update it with the new protocol's
* default.
* (XXX: this isn't perfect; a default can become permanent
* by going via the serial backend. However, it helps with
* the common case of tabbing through the controls in order
* and setting a non-default port.) */
if (cfg->port == ob->default_port &&
/* Iff the user hasn't changed the port from the old protocol's
* default, update it with the new protocol's default.
* (This includes a "default" of 0, implying that there is no
* sensible default for that protocol; in this case it's
* displayed as a blank.)
* This helps with the common case of tabbing through the
* controls in order and setting a non-default port before
* getting to the protocol; we want that non-default port
* to be preserved. */
if (cfg->port == ob->default_port)
cfg->port > 0 && nb->default_port > 0)
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